| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2023 Josua Mayer <josua@solid-run.com> |
| * |
| * DTS for SolidRun AM642 HummingBoard-T, |
| * running on Cortex A53. |
| * |
| */ |
| |
| /dts-v1/; |
| |
| #include <dt-bindings/leds/common.h> |
| #include <dt-bindings/phy/phy.h> |
| |
| #include "k3-am642.dtsi" |
| #include "k3-am642-sr-som.dtsi" |
| |
| / { |
| model = "SolidRun AM642 HummingBoard-T"; |
| compatible = "solidrun,am642-hummingboard-t", "solidrun,am642-sr-som", "ti,am642"; |
| |
| aliases { |
| serial5 = &main_uart3; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&leds_default_pins>; |
| |
| /* D24 */ |
| led1: led-1 { |
| label = "led1"; |
| gpios = <&main_gpio0 29 GPIO_ACTIVE_HIGH>; |
| color = <LED_COLOR_ID_GREEN>; |
| }; |
| |
| /* D25 */ |
| led2: led-2 { |
| label = "led2"; |
| gpios = <&main_gpio0 30 GPIO_ACTIVE_HIGH>; |
| color = <LED_COLOR_ID_GREEN>; |
| }; |
| |
| /* D26 */ |
| led3: led-3 { |
| label = "led3"; |
| gpios = <&main_gpio0 33 GPIO_ACTIVE_HIGH>; |
| color = <LED_COLOR_ID_GREEN>; |
| }; |
| }; |
| |
| regulator-m2-3v3 { |
| compatible = "regulator-fixed"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <®ulator_pcie_3v3_default_pins>; |
| regulator-name = "m2-3v3"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| gpio = <&main_gpio1 17 GPIO_ACTIVE_HIGH>; |
| enable-active-high; |
| regulator-always-on; |
| }; |
| |
| regulator-vpp-1v8 { |
| compatible = "regulator-fixed"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <®ulator_vpp_1v8_default_pins>; |
| regulator-name = "vpp-1v8"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| gpio = <&main_gpio1 78 GPIO_ACTIVE_HIGH>; |
| enable-active-high; |
| }; |
| |
| serdes_mux: mux-controller { |
| compatible = "gpio-mux"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&serdes_mux_default_pins>; |
| #mux-control-cells = <0>; |
| /* |
| * Mux has 2 IOs: |
| * - select: 0 = USB-3 (M2); 1 = PCIE (M1) |
| * - shutdown: 0 = active; 1 = disabled (high impedance) |
| */ |
| mux-gpios = <&main_gpio1 40 GPIO_ACTIVE_HIGH>, <&main_gpio1 41 GPIO_ACTIVE_HIGH>; |
| /* default disabled */ |
| idle-state = <2>; |
| }; |
| }; |
| |
| &main_gpio0 { |
| m2-reset-hog { |
| gpio-hog; |
| gpios = <12 GPIO_ACTIVE_LOW>; |
| output-low; /* deasserted */ |
| line-name = "m2-reset"; |
| }; |
| |
| m1-m2-w-disable1-hog { |
| gpio-hog; |
| gpios = <32 GPIO_ACTIVE_LOW>; |
| output-low; /* deasserted */ |
| line-name = "m1-m2-pcie-w-disable1"; |
| }; |
| |
| m1-m2-w-disable2-hog { |
| gpio-hog; |
| gpios = <34 GPIO_ACTIVE_LOW>; |
| output-low; /* deasserted */ |
| line-name = "m1-m2-pcie-w-disable2"; |
| }; |
| }; |
| |
| &main_gpio1 { |
| m1-pcie-clkreq0-hog { |
| gpio-hog; |
| gpios = <11 GPIO_ACTIVE_LOW>; |
| input; |
| line-name = "m1-pcie-clkreq0"; |
| }; |
| |
| m2-pcie-clkreq-hog { |
| gpio-hog; |
| gpios = <35 GPIO_ACTIVE_LOW>; |
| input; |
| line-name = "m2-pcie-clkreq"; |
| }; |
| }; |
| |
| &main_i2c0 { |
| pinctrl-0 = <&main_i2c0_default_pins>, <&main_i2c0_int_default_pins>; |
| |
| humidity-sensor@41 { |
| compatible = "ti,hdc2010"; |
| reg = <0x41>; |
| interrupt-parent = <&main_gpio0>; |
| interrupts = <37 IRQ_TYPE_EDGE_FALLING>; |
| }; |
| |
| light-sensor@44 { |
| compatible = "ti,opt3001"; |
| reg = <0x44>; |
| interrupt-parent = <&main_gpio0>; |
| interrupts = <37 IRQ_TYPE_EDGE_FALLING>; |
| }; |
| |
| /* charger@6a */ |
| }; |
| |
| &main_i2c1 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&main_i2c1_default_pins>; |
| status = "okay"; |
| |
| rtc@69 { |
| compatible = "abracon,abx80x"; |
| reg = <0x69>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&rtc_int_default_pins>; |
| abracon,tc-diode = "schottky"; |
| abracon,tc-resistor = <3>; |
| interrupt-parent = <&main_gpio0>; |
| interrupts = <44 IRQ_TYPE_EDGE_FALLING>; |
| }; |
| }; |
| |
| &main_mcan0 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&main_mcan0_default_pins>; |
| status = "okay"; |
| |
| can-transceiver { |
| max-bitrate = <8000000>; |
| }; |
| }; |
| |
| &main_mcan1 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&main_mcan1_default_pins>; |
| status = "okay"; |
| |
| can-transceiver { |
| max-bitrate = <8000000>; |
| }; |
| }; |
| |
| &main_pmx0 { |
| leds_default_pins: leds-default-pins { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x0074, PIN_OUTPUT, 7) /* GPMC0_AD14.GPIO0_29 */ |
| AM64X_IOPAD(0x0078, PIN_OUTPUT, 7) /* GPMC0_AD15.GPIO0_30 */ |
| AM64X_IOPAD(0x0088, PIN_OUTPUT, 7) /* GPMC0_OEn_REn.GPIO0_33 */ |
| >; |
| }; |
| |
| main_i2c0_int_default_pins: main-i2c0-int-default-pins { |
| pinctrl-single,pins = < |
| /* external pull-up on Carrier */ |
| AM64X_IOPAD(0x0098, PIN_INPUT, 7) /* GPMC0_WAIT0.GPIO0_37 */ |
| >; |
| }; |
| |
| main_i2c1_default_pins: main-i2c1-default-pins { |
| pinctrl-single,pins = < |
| /* external pull-up on SoM */ |
| AM64X_IOPAD(0x0268, PIN_INPUT, 0) /* I2C1_SCL.I2C1_SCL */ |
| AM64X_IOPAD(0x026c, PIN_INPUT, 0) /* I2C1_SDA.I2C1_SDA */ |
| >; |
| }; |
| |
| main_mcan0_default_pins: main-mcan0-default-pins { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x0254, PIN_INPUT, 0) /* MCAN0_RX.MCAN0_RX */ |
| AM64X_IOPAD(0x0250, PIN_OUTPUT, 0) /* MCAN0_TX.MCAN0_TX */ |
| >; |
| }; |
| |
| main_mcan1_default_pins: main-mcan1-default-pins { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x025c, PIN_INPUT, 0) /* MCAN1_RX.MCAN1_RX */ |
| AM64X_IOPAD(0x0258, PIN_OUTPUT, 0) /* MCAN1_TX.MCAN1_TX */ |
| >; |
| }; |
| |
| main_uart3_default_pins: main-uart3-default-pins { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x016c, PIN_INPUT, 10) /* PRG0_PRU0_GPO3.UART3_CTSn */ |
| AM64X_IOPAD(0x0170, PIN_OUTPUT, 10) /* PRG0_PRU0_GPO4.UART3_TXD */ |
| AM64X_IOPAD(0x0174, PIN_OUTPUT, 10) /* PRG0_PRU0_GPO5.UART3_RTSn */ |
| AM64X_IOPAD(0x01ac, PIN_INPUT, 10) /* PRG0_PRU0_GPO19.UART3_RXD */ |
| >; |
| }; |
| |
| pcie0_default_pins: pcie0-default-pins { |
| pinctrl-single,pins = < |
| /* connector M2 RESET */ |
| AM64X_IOPAD(0x0030, PIN_OUTPUT, 7) /* OSPI0_CSn1.GPIO0_12 */ |
| /* connectors M1 & M2 W_DISABLE1 */ |
| AM64X_IOPAD(0x0084, PIN_OUTPUT, 7) /* GPMC0_ADVN_ALE.GPIO0_32 */ |
| /* connectors M1 & M2 W_DISABLE2 */ |
| AM64X_IOPAD(0x008c, PIN_OUTPUT, 7) /* GPMC0_WEN.GPIO0_34 */ |
| /* connectors M1 & M2 PERST0 (PCI Reset) */ |
| AM64X_IOPAD(0x019c, PIN_OUTPUT, 7) /* PRG0_PRU0_GPO15.GPIO1_15 */ |
| /* connector M1 CLKREQ0 */ |
| AM64X_IOPAD(0x018c, PIN_INPUT, 7) /* PRG0_PRU0_GPO11.GPIO1_11 */ |
| /* connector M2 CLKREQ0 */ |
| AM64X_IOPAD(0x01ec, PIN_INPUT, 7) /* PRG0_PRU1_GPO15.GPIO1_35 */ |
| >; |
| }; |
| |
| regulator_pcie_3v3_default_pins: regulator-pcie-3v3-default-pins { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x01a4, PIN_OUTPUT, 7) /* PRG0_PRU0_GPO17.GPIO1_17 */ |
| >; |
| }; |
| |
| regulator_vpp_1v8_default_pins: regulator-vpp-1v8-default-pins { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x029c, PIN_OUTPUT, 7) /* MMC1_SDWP.GPIO1_78 */ |
| >; |
| }; |
| |
| rtc_int_default_pins: rtc-int-default-pins { |
| pinctrl-single,pins = < |
| /* external pull-up on Carrier */ |
| AM64X_IOPAD(0x00b4, PIN_INPUT, 7) /* GPMC0_CSn3.GPIO0_44 */ |
| >; |
| }; |
| |
| serdes_mux_default_pins: serdes-mux-default-pins { |
| pinctrl-single,pins = < |
| /* SEL, 10k pull-down on carrier, 2.2k pullup on SoM */ |
| AM64X_IOPAD(0x0200, PIN_OUTPUT, 7) /* PRG0_MDIO0_MDIO.GPIO1_40 */ |
| /* EN */ |
| AM64X_IOPAD(0x0204, PIN_OUTPUT, 7) /* PRG0_MDIO0_MDC.GPIO1_41 */ |
| >; |
| }; |
| }; |
| |
| &main_uart3 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&main_uart3_default_pins>; |
| uart-has-rtscts; |
| rs485-rts-active-low; |
| linux,rs485-enabled-at-boot-time; |
| status = "okay"; |
| }; |
| |
| &usb0 { |
| dr_mode = "host"; |
| }; |
